Fantastic recipe! Me and my brother made this today for Mother's Day - we followed the recommendations to double the sauce (do it, you'll need it), as well as the suggestions to add some mushrooms and cornstarch to thicken the sauce. It worked out fantastically...my mom loved it (and she, being very much into cooking and having taught cooking lessons before, is pretty picky about food) and my brother and I both thought it was great as well.
The only thing I would warn people about is be careful when seasoning the chicken with salt and pepper - we added a little too much salt to the chicken and the entire dish ended up being slightly too salty but if you're just careful with that, it should turn out perfect. Recommended and I am bookmarking this recipe for future use!